Structure® EPS Insulated Siding
Structure is a premium insulated siding bonded with expanded
polystyrene (EPS) foam. It delivers superior strength, style
and performance in a wide-style clapboard look.


- Wind speed — rated up to 190 mph
- Patented t3-lok™
- Tornado-tough, double-thick, fold-over nail hem (d 4”, d 4-1/2” dlap)
- 5.0 Permeability rating
- Backed by up to 1-1/4” of real insulation — adds up to r4 to a home’s Wall system
- Enhanced 3/4” panel projection
- 300% More impact resistant and 200% more rigid than standard Vinyl siding
- Duranyl 5000® protection system
- Mastic hang-tough™ technology
- Class 1(a) fire rating


